using DominionBase.Enums;
using DominionBase.Piles;
using System.Diagnostics.Contracts;
using System.Linq;

namespace DominionBase.Cards.Menagerie
{
	public class Paddock : Card
	{
		public Paddock()
			: base(Categories.Action, Source.Menagerie, Location.Kingdom, Traits.ConditionalBenefit | Traits.Gainer | Traits.IncludesExtraPiles | Traits.PlusAction | Traits.PlusCoin | Traits.PlusMultipleActions)
		{
			BaseCost = new Cost(5);
			Benefit.Currency.Coin.Value = 2;
		}

		public override void SetupSupply(IGame game, ISupply supply)
		{
			Contract.Requires(game != null, "game cannot be null");
			base.SetupSupply(game, supply);

			Horse.SetupSupply(game);
		}

		public override void FollowInstructions(IPlayer player)
		{
			Contract.Requires(player != null, "player cannot be null");
			base.FollowInstructions(player);
			 
			player.Gain((ISupply)player._Game.Table.SpecialPiles[TypeClass.Horse], this, 2);

			var emptyPiles = player._Game.Table.TableEntities.Count(te => (te.Value.Location == Location.Kingdom || te.Value.Location == Location.General) && te.Value.Count == 0);

			if (emptyPiles > 0)
				player.ReceiveBenefit(this, new CardBenefit { Actions = emptyPiles });
		}
	}
}